From 5c4f5d884a3ba1c05df0ff27c57bfeb68bf9a980 Mon Sep 17 00:00:00 2001
From: harkamal <develop@g11tech.io>
Date: Tue, 22 Nov 2022 18:16:45 +0530
Subject: [PATCH] add comment

---
 packages/common/src/utils.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/common/src/utils.ts b/packages/common/src/utils.ts
index 58b1a02585..920aa7f5de 100644
--- a/packages/common/src/utils.ts
+++ b/packages/common/src/utils.ts
@@ -124,6 +124,11 @@ function parseGethParams(json: any, mergeForkIdPostMerge: boolean = true) {
   params.hardforks.unshift({ name: Hardfork.Chainstart, block: 0 })
 
   if (config.terminalTotalDifficulty !== undefined) {
+    // Following points need to be considered for placement of merge hf
+    // - Merge hardfork can't be placed at genesis
+    // - Place merge hf before any hardforks that require CL participation for e.g. withdrawals
+    // - Merge hardfork has to be placed just after genesis if any of the genesis hardforks make CL
+    //   necessary for e.g. withdrawals
     const mergeConfig = {
       name: Hardfork.Merge,
       ttd: config.terminalTotalDifficulty,